Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
It`s time to simplify business communications. Complicated contracts, multiple vendors, and inflexible telephone systems are now becoming a thing of the past. The IP communication revolution has begun. It`s tried and proven, and leading companies everywhe
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